Home / 28,262.16-39,002.10-17,657.94

Finding the Fourth Proportional to 28,262.16, 39,002.10 and 17,657.94

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Solution

The fourth proportional to 28,262.16, 39,002.10 and 17,657.94 is: 24,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.16 : 39,002.10 = 17,657.94 : x
  2. Step 2: Convert to fraction form
    28,262.16/39,002.10 = 17,657.94/x
  3. Step 3: Cross multiply
    28,262.16x = 39,002.10 × 17,657.94
  4. Step 4: Simplify right side
    28,262.16x = 688,696,741.67
  5. Step 5: Solve for x
    x = 688,696,741.67/28,262.16
  6. Step 6: Final answer
    x = 24,368.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.